Home / 40,238.20-60,357.30-18,052.30

Finding the Fourth Proportional to 40,238.20, 60,357.30 and 18,052.30

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Solution

The fourth proportional to 40,238.20, 60,357.30 and 18,052.30 is: 27,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,238.20 : 60,357.30 = 18,052.30 : x
  2. Step 2: Convert to fraction form
    40,238.20/60,357.30 = 18,052.30/x
  3. Step 3: Cross multiply
    40,238.20x = 60,357.30 × 18,052.30
  4. Step 4: Simplify right side
    40,238.20x = 1,089,588,086.79
  5. Step 5: Solve for x
    x = 1,089,588,086.79/40,238.20
  6. Step 6: Final answer
    x = 27,078.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.